Advertisements
Advertisements
प्रश्न
13 and 31 is a strange pair of numbers such that their squares 169 and 961 are also mirror images of each other. Find two more such pairs.
उत्तर
(13)2 = 169 and (31)2 = 961
Similarly, two such number can be 12 and 21
∴ (12)2 = 144 and (21)2 = 441
And 102, 201
(102)2 = 102 × 102 = 10404
And (201)2 = 201 × 201 = 40401
102
× 102
204
1020
10404
201
× 201
201
4020
40401
संबंधित प्रश्न
Which of the following numbers are perfect squares?
484
Which of the following numbers are perfect square?
11
Which of the following numbers are perfect square?
12
Using prime factorization method, find which of the following numbers are perfect square?
2048
Using prime factorization method, find which of the following numbers are perfect square?
343
By what number should each of the following numbers be multiplied to get a perfect square ? Also, find the number whose square is the new number.
3675
Show that the following number is not perfect square:
22453
196 is the square of ______.
Let x and y be natural numbers. If x divides y, then x3 divides y3.
A king wanted to reward his advisor, a wise man of the kingdom. So he asked the wiseman to name his own reward. The wiseman thanked the king but said that he would ask only for some gold coins each day for a month. The coins were to be counted out in a pattern of one coin for the first day, 3 coins for the second day, 5 coins for the third day and so on for 30 days. Without making calculations, find how many coins will the advisor get in that month?
